today michael bloomberg of new york endorsed president obama. here's part of what the mayor said. our climate is changing and while the increase in extreme weather we vex -- we have experienced in new york city and around the world the risk it might be given this week's devastation should compel all elected leaders to take immediate action. here to talk about the disaster's wide implications are three journalists their coverage of the disaster has called for vigilance in a world facing new and harsh challenges. joining me bryan walsh of "time" magazine. he writes the cover story lessons from the storm. paul barrett assistants managing editor and senior writer of bloomberg businessweek. his cover story is called it's global warming, stupid. and by phone steve coll of the new yorker magazine. i am pleased to have all of them here at this table. steve, this is what you have said. new yorkers like to tell stories about their extraordinary resilience. there's truth in these stories as we've seen in the past few days. the rescue and cooperation devastated communities. the absence of loo